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From: Hilary <hils@newearth.demon.co.uk.invalid>
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Subject: Spawning autonomous shell commands
Date: Thu, 27 Sep 2012 22:00:59 +0100
Organization: Often seems an abstract concept
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This may be partly a windoze question. I use this on a windoze box:

(defun espeak-region ()
   "Send the region to espeak"
   (interactive)
   (shell-command-on-region (region-beginning) (region-end) "espeak -v 
mb-en1 -p 50 -s 150 --stdin ")
   )

It works, but it locks up emacs until espeak has finished reading the 
text. Is there a way of spawning espeak as an autonomous process which 
can finish in its own time?

-- 
Hilary S